1843
ID: 834
William Rowan Hamilton discovers quaternions - extends complex numbers to four dimensions
ID: 834
1843
ID: 835
Arthur Cayley begins systematic development of invariant theory
ID: 835
1843
ID: 836
Marx writes On the Jewish Question - emancipation from Judaism
ID: 836
1843
ID: 837
John Bennet Lawes establishes first superphosphate fertilizer factory at Rothamsted
ID: 837
1843
ID: 838
Kierkegaard's Either/Or - radical individual choice, leap of faith beyond reason
ID: 838
1843
ID: 839
Sister Marie of St. Peter receives Holy Face devotion at Tours Carmel - Golden Arrow prayer
ID: 839
1843
ID: 840
Christ reveals Golden Arrow Prayer as reparation for blasphemy - will heal wounds
ID: 840